[R] Plotting symbols with two positions?

[Dimitris Rizopoulos]

try this:

y <- rnorm(16)

plot(y, type = "n")
text(1:16, y, 1:16)


Best,
Dimitris




----- Original Message ----- 
From: "CG Pettersson" <cg.pettersson at evp.slu.se>
To: "Dimitris Rizopoulos" <dimitris.rizopoulos at med.kuleuven.be>
Cc: "CG Pettersson" <cg.pettersson at evp.slu.se>; 
<r-help at stat.math.ethz.ch>
Sent: Thursday, November 09, 2006 10:09 AM
Subject: Plotting symbols with two positions?


> Thanks a lot to Demitris for a prompt answer some minutes ago on 
> another
> tread (see below). To avoid excess mails on the list, I move onto 
> next
> question:
>
> I have another small plotting problem that confuses me. I want to 
> plot
> results from a field trial series, using the numbers of the trials 
> as
> symbols in the plot.
>
> pch = as.character(trial_no)
>
> works fine, but truncates the trial number to the first digit. As I 
> have
> sixteen trials in the series I get into problems....
>
> How do I squeeze in two positions as a symbol in a plot?
>
> All the best
> /CG
>
>
> On Thu, November 9, 2006 9:30 am, Dimitris Rizopoulos said:
>> try the following:
>>
>> x <- runif(100, -4, 4)
>> y <- 1 + 2 * x + rnorm(100, sd = 2)
>> fit <- lm(y ~ x)
>>
>> plot(x, y)
>> abline(fit)
>> legend("topleft", expression(paste(R[adj]^2, " = 0.66")))
>>
>> ## or
>>
>> plot(x, y)
>> abline(fit)
>> legend("topleft", legend = substitute(R[adj]^2 == x,
>>     list(x = summary(fit)$adj.r.squared)))
>>
>>
>> I hope it helps.
>>
>> Best,
>> Dimitris
>>
>> ----
>> Dimitris Rizopoulos
>> Ph.D. Student
>> Biostatistical Centre
>> School of Public Health
>> Catholic University of Leuven
>>
>> Address: Kapucijnenvoer 35, Leuven, Belgium
>> Tel: +32/(0)16/336899
>> Fax: +32/(0)16/337015
>> Web: http://med.kuleuven.be/biostat/
>>      http://www.student.kuleuven.be/~m0390867/dimitris.htm
>>
>>
>> ----- Original Message -----
>> From: "CG Pettersson" <cg.pettersson at evp.slu.se>
>> To: <r-help at stat.math.ethz.ch>
>> Sent: Thursday, November 09, 2006 9:10 AM
>> Subject: [R] Why do I get a linebreak in the legend?
>>
>>
>>> Dear all,
>>>
>>> W2k, R2.4.0
>>>
>>> I want to place a legend in a regression plot, stating the 
>>> adjusted
>>> R-square value. After some struggle with the coding I am nearly
>>> there, but
>>> only nearly. The best try so far is:
>>>
>>> legend("topleft", expression(paste(R[adj]^2), " = 0.66"))
>>>
>>> This places the proper information in the legend, but I get a
>>> linebreak
>>> before the "= 0.66" and I want the expression on one single line.
>>> All
>>> adjustments from this code I have tried so far either produces 
>>> only
>>> half
>>> the expression or produces an error message.
>>>
>>> All the best and sorry for a trivial quastion
>>> /CG
>>>
>>>
>>> --
>>> CG Pettersson, MSci, PhD Stud.
>>> Swedish University of Agricultural Sciences (SLU)
>>> Dep. of Crop Production Ekology. Box 7043.
>>> SE-750 07 Uppsala, Sweden
>>> cg.pettersson at vpe.slu.se
>>>
>>> ______________________________________________
>>> R-help at stat.math.ethz.ch mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>>
>>
>>
>> Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm
>>
>
>
> -- 
> CG Pettersson, MSci, PhD Stud.
> Swedish University of Agricultural Sciences (SLU)
> Dep. of Crop Production Ekology. Box 7043.
> SE-750 07 Uppsala, Sweden
> cg.pettersson at vpe.slu.se
> 


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